Koliko ima hidroksidnih jona u 200cm3 rastvora HCl ciji je pH=2?
pH+pOH=14
pOH=14-2=12
[OH-]=10^-12mol/dm^3
n(OH-)=10^-12mol/dm^3*0.2dm^3=2*10^-13mol
N(OH-)=2*10^-13mol*6*10^23mol^-1=1,2*10^11
The goal of life is living in agreement with nature.
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pH+pOH=14 pOH=14-2=12 [OH-]=1
pH+pOH=14
pOH=14-2=12
[OH-]=10^-12mol/dm^3
n(OH-)=10^-12mol/dm^3*0.2dm^3=2*10^-13mol
N(OH-)=2*10^-13mol*6*10^23mol^-1=1,2*10^11
The goal of life is living in agreement with nature.